WIP Поправила форму создания, заменила селекты

src/components/base/BaseOptions.vue

@@ -0,0 +1,31 @@
+<template lang="pug">
+  .base-options(:style="styles")
+    slot
+</template>
+
+<script>
+export default {
+  name: "BaseOptions",
+  computed: {
+    parent() {
+      return this.$parent.$el;
+    },
+    parentSize() {
+      return this.parent?.getBoundingClientRect();
+    },
+    styles() {
+      return {
+        top: this.parentSize.height + "px",
+        left: "-1px",
+        minWidth: this.parentSize.width + "px",
+      };
+    },
+  },
+};
+</script>
+
+<style scoped lang="sass">
+.base-options
+  position: absolute
+  z-index: 10
+</style>